About the Authors

Masamichi Yamashita

Affiliations Department of Pathology, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-ku, Sapporo 060–8556, Japan, Department of Veterinary Diagnostic Imaging, School of Veterinary Medicine, Faculty of Agriculture, Tottori University, Tottori 680–8553, Japan

Yoshihiko Hirohashi

hirohash@sapmed.ac.jp (YH); torigoe@sapmed.ac.jp (TT)

Affiliation Department of Pathology, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-ku, Sapporo 060–8556, Japan

Toshihiko Torigoe

hirohash@sapmed.ac.jp (YH); torigoe@sapmed.ac.jp (TT)

Affiliation Department of Pathology, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-ku, Sapporo 060–8556, Japan

Hiroki Kusumoto

Affiliation Department of Pathology, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-ku, Sapporo 060–8556, Japan

Aiko Murai

Affiliation Department of Pathology, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-ku, Sapporo 060–8556, Japan

Tomohiro Imagawa

Affiliation Department of Veterinary Diagnostic Imaging, School of Veterinary Medicine, Faculty of Agriculture, Tottori University, Tottori 680–8553, Japan

Noriyuki Sato

Affiliation Department of Pathology, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-ku, Sapporo 060–8556, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MY YH TT TI NS. Performed the experiments: MY HK AM. Analyzed the data: MY YH. Contributed reagents/materials/analysis tools: TI NS. Wrote the paper: MY YH TT.